Inventor
Robert M. Callahan
Inventor
Boones Mill, VA, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E04Bprimary
E04BGeneral building constructions13%
E04CStructural elements13%
A61KPreparations for medical, dental or toiletry purposes10%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
C07KPeptides10%
LOC0810%
E04GScaffolding8%
G06FElectric digital data processing8%
F16LPipes5%
G06TImage data processing or generation, in general5%
PatentTitleYear
10,519,657Systems, devices, and/or methods for managing joists201910,060,118Systems, devices, and/or methods for managing deck installation20187,347,031'Joist reinforcing bracket'20087,067,635'Nucleotide and deduced amino acid sequences of tumor gene Int6'20066,737,251'Nucleotide and deduced amino acid sequences of tumor gene Int6'2004D0477210'Joist reinforcing bracket'2003D0472792'Joist reinforcing bracket'2003D0472791'Joist reinforcing bracket'2003D0472793'Joist reinforcing bracket'20036,342,392'Nucleotide and deduced amino acid sequences of tumor gene Int6'20026,255,105'Nucleotide and deduced amino acid sequences of tumor gene Int6'20015,921,053'Internally reinforced girder with pierceable nonmetal components'19995,832,691'Composite beam'19985,770,131'Method and apparatus for applying an oscillating force on a molten material'19985,625,997'Composite beam'19975,519,977'Joist reinforcing bracket'19965,027,291'Application exit for potentially pickable primitives in a graphics system'19915,012,433'Multistage clipping method'19914,982,345'Interactive computer graphics display system processing method for identifying an operator selected displayed object'19914,847,605'Picking in a graphics system'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to IBM (4)· patent assignee history
1989–1991Based in Woodstock, NY, US· patent location history
1996–1999Based in Blue Ridge, VA, US· patent location history
1999Patents assigned to METWOOD INC (1)· patent assignee history
2001–2006Patents assigned to US HEALTH (4)· patent assignee history
2001–2006Based in Alexandria, VA, US· patent location history
2003–2019Based in Boones Mill, VA, US· patent location history
2003Based in Roanoke, VA, US· patent location history
2008–2019Patents assigned to CALLAHAN ROBERT M (3)· patent assignee history
2018–2019Patents assigned to CALLAHAN SHAWN A (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 4 | 1989–1991 |
| US HEALTH | 4 | 2001–2006 |
| CALLAHAN ROBERT Mself | 3 | 2008–2019 |
| CALLAHAN SHAWN A | 2 | 2018–2019 |
| METWOOD INC | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boones Mill, Virginia, US | 4 | 2003–2019 |
| Alexandria, Virginia, US | 4 | 2001–2006 |
| Blue Ridge, Virginia, US | 4 | 1996–1999 |
| Woodstock, New York, US | 4 | 1989–1991 |
| Roanoke, Virginia, US | 3 | 2003 |